Table 5.

The experiment results of coarse alignments.

Parameters	Coarse Alignment Algorithm	Value
Mean of $\delta {\varphi }_x$/(°)	Polar coarse alignment algorithm	−0.4378
	Conventional coarse alignment algorithm	−0.1959
	Transversal coarse alignment algorithm	−0.6256
Mean of $\delta {\varphi }_y$/(°)	Polar coarse alignment algorithm	−1.7750
	Conventional coarse alignment algorithm	2.5139
	Transversal coarse alignment algorithm	−2.1249
Mean of $\delta {\varphi }_z$/(°)	Polar coarse alignment algorithm	5.5904
	Conventional coarse alignment algorithm	59.8336
	Transversal coarse alignment algorithm	6.3255
Standard deviation of $\delta {\varphi }_x$	Polar coarse alignment algorithm	0.284479
	Conventional coarse alignment algorithm	0.276744
	Transversal coarse alignment algorithm	0.385646
Standard deviation of $\delta {\varphi }_y$	Polar coarse alignment algorithm	0.279732
	Conventional coarse alignment algorithm	0.312622
	Transversal coarse alignment algorithm	0.313164
Standard deviation of $\delta {\varphi }_z$	Polar coarse alignment algorithm	0.310097
	Conventional coarse alignment algorithm	0.297141
	Transversal coarse alignment algorithm	0.286084